package com.huawei.util;

/**
 * 工具类
 */
public class Tools {
    public static String arraysToString(String[] strs){
        String str = "";
        for (String s: strs) {
          str+=s+",";
        }
        str = str.substring(0, str.length()-1);
        return str;
    }

    public static void main(String[] args) {
        String [] strs = {"11","22","33"};
        System.out.println(arraysToString(strs));
    }
}
